GB
ACCESSORIES MSA
24 Series 47K Gas Detector [SIL 2]
6.4. Duct Mount Flange
Gas monitoring in air ducts can be performed by means of this duct mount flange.
When installing it the direction of flow inside the duct must be towards the baffle
as shown in the photograph.
The sensor can be calibrated via the gas calibration port, provided the duct is free
of all gases to which the sensor will respond. If the duct cannot be gas freed, the
sensor has must be removed form the duct during calibration.
The calibration port must be sealed again with the locking cap after calibration
has been carried out.
Duct Mount Flange
1 Flow 2 Gas calibration port
In this Picture will be the flow from the bottom up.
You should calibrate with the calibration port only during air velocity < 5 m/s for
Series 47K-PRP and 47K-HT-PRP in the air duct.
The response times given in Chapter 2.3 are for an air velocity of 20 m/s.
Doubling of the response time has to be expected for an air velocity of 0.5 m/s.
Gas flow rate : 1.0 l/min [gas calibration port]
Air velocity : 0.5 … 20 m/s
To Next Page
Loading...
Need help?
General
